FORSA 12.25 shocks - Page 2 - Yamaha SCR950 Forum
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post #11 of 16 (permalink) Old 12-05-2017, 11:58 PM
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Yeah, I'm looking to make this a capable adventure bike. Rear rack with an auxiliary fuel tank, hard bags, and the Alaska highway is in my future.

Charles.
Yeah man, next spring, get the whole SCR crew together and hit the Alaska hwy!
Think you're going to convert to chain drive? I'd love to see that mod done successfully!
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post #12 of 16 (permalink) Old 12-06-2017, 03:17 AM Thread Starter
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Actually, I was playing around and I think I'm going to attempt to adapt a Buell Thunderbolt tensioner pulley to the SCR. If that works well enough, I'll snag one of the Free Spirit tensioners, which is an auto-tensioner. It should work fine, I will just have to weld together a mounting bracket, and may have to trim bits and pieces off the tensioner guards. I found a pic of a regular Bolt with this setup, and very long rear shocks here:



I think I can totally make something like that work. The question is can I retain the lower belt guard.

Charles.

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post #13 of 16 (permalink) Old 12-06-2017, 02:16 PM Thread Starter
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Alright! I went out to the garage and inspected the bike, and it looks like I can relatively easily make an idler pulley work. There is a very nice place to mount it, and I'm pretty sure that neither the guard nor the frame will need to be modified in any way. After the initial prototype is working, I will consider building an idler pulley kit for all the 950 Bolts, which will allow you to run longer shocks. Up to, and potentially beyond 12.25 inches. I will consider selling them for a small profit... Hrm, a kickstarter might be in order.

Cue maniacal laughter.

Charles.

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Last edited by ChopperCharles; 12-06-2017 at 02:18 PM.
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post #14 of 16 (permalink) Old 12-28-2020, 11:42 AM
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Okay, today I installed FORSA 12.25" shocks on my SCR950. Stock shocks are 10.25", so that's a 2 inch rise. These shocks are made for a Sportster. First of all, while they do fit with some modification, they are too long. With a stock exhaust system, the bracket on the swingarm that keeps the rear brake hose out of the tire will contact the OEM muffler bracket. I removed the front-most bolt and swung the bracket ever so slightly out of the way, and this allowed me to fit the shocks. I can notch this bracket and still attach the front bolt... but the shocks are still too long. There is a LOT of slack in the drive belt now.

That said, I took the bike for a quick ride, and WOW what a difference. I didn't bottom out going over speed bumps, even with the FORSA shocks set on the lowest preload setting. The ride felt about the same - rather firm - but there is SO much more ground clearance in turns. Handling is now on the quicker side of neutral, instead of the slow side. I can still ride hands-free without any kind of wobble or instability.

I like the stance of the bike a lot better as well, the bike is canted more forward and it looks more aggressive, and there is more space between the rear tire and the fender.

That said, I'm going to use these on another project, and go with 11.75" Sportster shocks instead. If the shocks were a half inch shorter, the swingarm will not contact that bracket, and the slack in the drive belt will be a little more manageable. So I'd say that 11.75" shocks are the maximum you can use with the stock exhaust system. 12.25 is probably the maximum you can use if you want all the ride height you can possibly get, AND are okay with more slack in the belt, AND you have an aftermarket exhaust. That's a lot of conditions.

Also, the bike really needs a 2x4 under the sidestand now.

Charles.
Hi @ChopperCharles ,

I was wondering where you found the Forsa shocks. I am interested in the 11.75 inch rear shocks, but I was not able to identify them. Also did you need to change any suspension components in the front end?

Thanks!
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post #15 of 16 (permalink) Old 12-30-2020, 06:07 PM
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Hopefully you can resurrect Charles and get a response. He hasn't posted anything in over 7 months. He was a real Road Warrier on this forum with all kinds of great info on mods he was doing to his SCR. Search his post history and you might find your answers.

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post #16 of 16 (permalink) Old 12-30-2020, 09:51 PM
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Hopefully you can resurrect Charles and get a response. He hasn't posted anything in over 7 months. He was a real Road Warrier on this forum with all kinds of great info on mods he was doing to his SCR. Search his post history and you might find your answers.
You might find him over on the ADVrider forum.

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